/*
 * Copyright (c) 2010 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#ifndef __LIBKERNEL_INIT_H
#define __LIBKERNEL_INIT_H

#include <mach/mach.h>

typedef struct _libkernel_functions {
	/* for mach dependencies on libc */
	mach_port_t (*get_reply_port)(void);
	void (*set_reply_port)(mach_port_t);
	
	/* dlsym() for looking up catch_exception_raise */
	void* (*dlsym)(void*, const char*);

	/* placeholders for struct layout compatibility with Libsystem */
	void *_placeholder_1;
	void *_placeholder_2;
	
	/* for setting errno in libc */
	void (*set_errno)(int);
	int* (*get_errno)(void);

} _libkernel_functions_t;

void _libkernel_init(_libkernel_functions_t fns);

#endif // __LIBKERNEL_INIT_H`
